SUSE update for rear23a

1) Incorrect default permissions

EUVDB-ID: #VU85736

Risk: Low

CVSSv3.1: 7.7 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-23301

CWE-ID: CWE-276 - Incorrect Default Permissions

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to software creates a world-readable initrd when using GRUB_RESCUE=y. A local user with access to the system can gain access to system secrets otherwise only readable by root.

Mitigation

Update the affected package rear23a to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Server 15 SP2 Business Critical Linux: 15-SP2

SUSE Linux Enterprise Server 15 SP1 Business Critical Linux: 15-SP1

SUSE Linux Enterprise High Availability Extension 15: SP1 - SP2

SUSE Linux Enterprise Server for SAP Applications 15: SP1 - SP2

SUSE Linux Enterprise Server 15: SP1 - SP2

SUSE Linux Enterprise High Performance Computing 15: SP1 - SP2

SUSE Manager Proxy: 4.0 - 4.1

SUSE Manager Retail Branch Server: 4.0 - 4.1

SUSE Manager Server: 4.0 - 4.1

rear23a: before 2.3.a-150000.9.9.1

External links

http://www.suse.com/support/update/announcement/2024/suse-su-20240239-1/

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.